CVE-2018-9063 Memory corruption in Lenovo System Update
A buffer overflow in Lenovo System Update allows local attackers to execute arbitrary code by providing oversized credentials.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-9063?
CVE-2018-9063 is a high-severity memory corruption vulnerability in Lenovo System Update, published on 4 May 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
MapDrv (C:\Program Files\Lenovo\System Update\mapdrv.exe) In Lenovo System Update versions earlier than 5.07.0072 contains a local vulnerability where an attacker entering very large user ID or password can overrun the program's buffer, causing undefined behaviors, such as execution of arbitrary code. No additional privilege is granted to the attacker beyond what is already possessed to run MapDrv.
Weakness: CWE-119
Which versions are affected by CVE-2018-9063?
It affects 1 product.
Products include Lenovo System Update.
How do I fix CVE-2018-9063?
No fix has been published for CVE-2018-9063 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-9063 being exploited?
There is no known exploitation of CVE-2018-9063 in the wild and no public exploit code.
Other vulnerabilities in Lenovo System Update
Sources
Also known as GHSA-wp87-97vq-c79x.